3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 730001 Chromab. columns C18, 1mL, 100mg 4 290,00 Kč 730107 Chromab. columns SiOH, 6mL, 2000mg 3 770,00 Kč 730061 Chromab. columns CN, 1mL, 100mg 5 382,00 Kč